Replacement Filter
Replacement for the original antimicrobial-protected filter that ships with your Windmill AC unit. Reusable and easily cleaned by rinsing under the sink.
$35.00
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Clean Air Subscription
Activated Carbon Filters
$60.00
Pack of four. Fits directly into your included filter and protects against smoke, allergens, odors, fumes, and more. Switch them out every three months for best results.
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Step 1 - Window type
We need to make sure your window can hold an AC unit safely. It must be a double hung window (it should slide up and down) and be in good condition. Does this describe your window?
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Step 2 - Window Size
Great! Let’s figure out window size. The Windmill AC is designed to fit windows with a width of 23-37 inches and a vertical opening of at least 14 inches. Sounds accurate?
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Step 3 - Space Size
OK, what's the approximate size of your space? Best guess is fine!
Small
(100-250 Square ft.)
Medium
(250-350 Square ft.)
Large
(350+ Square ft.)
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